In Paris, it’s easier to battle a climate crisis than confront jihadists on the streets.

Little children have imaginary friends. Modern liberalism has imaginary enemies.

Hunger in America is an imaginary enemy. Liberal advocacy groups routinely claim that one in seven Americans is hungry—in a country where the poorest counties have the highest rates of obesity. The statistic is a preposterous extrapolation from a dubious Agriculture Department measure of “food insecurity.” But the line gives those advocacy groups a reason to exist while feeding the liberal narrative of America as a savage society of haves and...